Ice bucket backpack



FIG. 1 is a top front perspective view of an ice bucket backpack showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures show portions of the ice bucket backpack that form no part of the claimed design. 

CLAIM The ornamental design for an ice bucket backpack, as shown and described. 